Description

(Ethylthiomethyl)Phosphonic Acid Dibutyl Ester is a specialized organophosphorus compound that serves as a versatile intermediate and functional additive. Its unique structure, featuring both phosphonic ester and thioether groups, makes it valuable for modifying material properties and facilitating specific chemical syntheses. This product is essential for manufacturers and R&D teams in the agrochemical, polymer, and specialty chemical sectors seeking to develop advanced formulations and novel compounds.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel pesticides, herbicides, and plant growth regulators, leveraging its phosphonate moiety.
• Polymer Additive: Acts as a flame retardant synergist, plasticizer, or stabilizer in various polymer systems, including PVC and polyurethanes.
• Lubricant & Fuel Additive: Used as an anti-wear agent, extreme pressure additive, or detergent dispersant in industrial lubricants and functional fluids.
• Metal Extraction & Chelation: Employed in hydrometallurgical processes for the selective extraction and separation of metal ions.
• Chemical Synthesis Intermediate: Serves as a precursor for further functionalization in pharmaceutical and fine chemical research.
• Surface Treatment Agent: Used in coatings and surface modifications to impart corrosion resistance or alter surface energy.

Basic Information

Item	Details
Product Name	(Ethylthiomethyl)Phosphonic Acid Dibutyl Ester
CAS No.	74038-42-9
Molecular Formula	C11H25O3PS
Molecular Weight	268.35 g/mol
Synonyms	Dibutyl (Ethylthiomethyl)Phosphonate; (Ethylthiomethyl)phosphonic Acid Di-n-butyl Ester; Phosphonic Acid, (Ethylthiomethyl)-, Dibutyl Ester; Butyl (Ethylthiomethyl)Phosphonate; DBEMP (abbreviation); NSC 405124; EINECS 277-703-3
EINECS	277-703-3

Quality Control

Our (Ethylthiomethyl)Phosphonic Acid Dibutyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Containers should be kept tightly sealed to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.050 - 1.090
Refractive Index (20°C)	1.470 - 1.490

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.